-840+8x+2x=0

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Solution for -840+8x+2x=0 equation: 


Simplifying
-840 + 8x + 2x = 0

Combine like terms: 8x + 2x = 10x
-840 + 10x = 0

Solving
-840 + 10x = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '840' to each side of the equation.
-840 + 840 + 10x = 0 + 840

Combine like terms: -840 + 840 = 0
0 + 10x = 0 + 840
10x = 0 + 840

Combine like terms: 0 + 840 = 840
10x = 840

Divide each side by '10'.
x = 84

Simplifying
x = 84

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